<!DOCTYPE html>
<html>
  <head>
    <title>Offscreen</title>
    <script src="js/rxjs.umd.min.js"></script>
    <script src="js/defaults.js"></script>
    <script src="js/messaging.js"></script>
    <script src="js/offscreen.js"></script>
  </head>
  <body>
    Nothing to see here
  </body>
</html>
